181148106 has 32 divisors (see below), whose sum is σ = 368121600. Its totient is φ = 59417280.

The previous prime is 181148089. The next prime is 181148119. The reversal of 181148106 is 601841181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218100 + ... + 218928.

It is an arithmetic number, because the mean of its divisors is an integer number (11503800).

Almost surely, 2^181148106 is an apocalyptic number.

181148106 is an abundant number, since it is smaller than the sum of its proper divisors (186973494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181148106 is a wasteful number, since it uses less digits than its factorization.

181148106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 181148106 is about 13459.1272376778. The cubic root of 181148106 is about 565.8195285892.

Adding to 181148106 its reverse (601841181), we get a palindrome (782989287).

The spelling of 181148106 in words is "one hundred eighty-one million, one hundred forty-eight thousand, one hundred six".